Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2014 12 20.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 12/20/2014   20:14:45   (  49.95,-109.59) 12/20/2014   20:06:25    (  50.39,-109.03)   62.73            500
 12/21/2014   06:30:43   (  46.43, -65.04) 12/21/2014   06:38:03    (  47.90, -66.68)  205.47            440
 12/23/2014   17:27:56   (  49.98, -67.89) 12/23/2014   17:27:34    (  49.78, -69.11)   89.91             22
 12/23/2014   19:04:40   (  42.30, -89.73) 12/23/2014   19:06:49    (  41.99, -91.43)  144.10            129
 12/23/2014   20:41:03   (  33.32,-111.73) 12/23/2014   20:45:42    (  32.87,-113.92)  210.13            279
 12/26/2014   06:56:39   (  20.04, -77.20) 12/26/2014   06:52:15    (  19.93, -76.78)   45.39            264
 12/26/2014   08:30:51   (  36.94, -97.56) 12/26/2014   08:28:54    (  36.94, -97.55)    0.74            117
 12/26/2014   10:06:06   (  49.93,-117.73) 12/26/2014   10:06:38    (  50.02,-118.10)   28.13             32
 12/28/2014   21:04:16   (  49.96,-121.96) 12/28/2014   20:56:51    (  50.05,-121.55)   30.64            445
 12/29/2014   07:19:15   (  49.89, -76.03) 12/29/2014   07:27:34    (  51.40, -77.82)  210.03            499